Patents 6216517 - 6216770

Patent 6216517: Precision-rolling process
(METAL DEFORMING : BY USE OF ROLLER OR ROLLER-LIKE TOOL-ELEMENT : With cleaning or conditioning of tool, or lubrication of tool or machine : Including successively-acting roller-couples)

Patent 6216519: Roll for a roll stand
(METAL DEFORMING : BY USE OF ROLLER OR ROLLER-LIKE TOOL-ELEMENT : With carrier for roller-couple or tool-couple : Including means to position tool along axis : Irregular, convex or hollow back-up roll)